Invention Grant
- Patent Title: Extrusion-type connecting rod, extrusion apparatus for connecting rod and manufacturing method for extrusion-type connecting rod
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Application No.: US14782228Application Date: 2014-04-04
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Publication No.: US09885381B2Publication Date: 2018-02-06
- Inventor: Si Young Sung , Beom Suck Han , Won Kyu Park
- Applicant: KOREA AUTOMOTIVE TECHNOLOGY INSTITUTE
- Applicant Address: KR Cheonan-si
- Assignee: KOREA AUTOMOTIVE TECHNOLOGY INSTITUTE
- Current Assignee: KOREA AUTOMOTIVE TECHNOLOGY INSTITUTE
- Current Assignee Address: KR Cheonan-si
- Agency: Novick, Kim & Lee, PLLC
- Agent Sang Ho Lee
- Priority: KR10-2013-0037768 20130405
- International Application: PCT/KR2014/002923 WO 20140404
- International Announcement: WO2014/163428 WO 20141009
- Main IPC: B21C23/21
- IPC: B21C23/21 ; F16C7/02 ; B21C23/14

Abstract:
The present invention relates to an extrusion-type connecting rod which is installed between a piston and a crank and can convert the reciprocating motion of the piston into the rotary motion of a crank shaft, an extrusion apparatus for a connecting rod, and a manufacturing method for the extrusion-type connecting rod. The extrusion-type connecting rod may comprise: a first big end having a portion of a crank shaft hole formed on one side and having a seam-line divided surface, which comprises a seam line formed at the time of extrusion, formed on the other side; a second big end, being extrusion-molded simultaneously with the first big end, having the other portion of the crank shaft hole formed on one side, and having a seam-line divided surface, which comprises a seam line formed at the time of extrusion, formed so as to contact the seam-line divided surface of the first big end; a connection part which is extrusion-molded integrally with the second big end; and a small end which is extrusion-molded integrally with the connection part.
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